This 5-piece crimping tool set includes a ratchet crimping tool and 4 interchangeable crimping dies. All pieces are packed in a convenient case for easy access and storage. With this cable crimping tool set, you will get 4 tools in one: 1. Crimping tool for heat shrink connectors 2. Crimping tool for insulated electrical connectors 3. Crimping tool for non-insulated cable connectors 4. Pressure pliers for cable end connectors Whether it's heat shrink butt connectors, non-insulated butt connectors, or ferrule terminals, all your crimping needs are available in this versatile terminal crimping kit.